Home / 238,882.82-358,376.07-72,666.50

Finding the Fourth Proportional to 238,882.82, 358,376.07 and 72,666.50

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Solution

The fourth proportional to 238,882.82, 358,376.07 and 72,666.50 is: 109,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,882.82 : 358,376.07 = 72,666.50 : x
  2. Step 2: Convert to fraction form
    238,882.82/358,376.07 = 72,666.50/x
  3. Step 3: Cross multiply
    238,882.82x = 358,376.07 × 72,666.50
  4. Step 4: Simplify right side
    238,882.82x = 26,041,934,690.66
  5. Step 5: Solve for x
    x = 26,041,934,690.66/238,882.82
  6. Step 6: Final answer
    x = 109,015.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.